 | | Journal (article/letter/editorial) | | Origin of Copper-bearingTourmaline BrecciaPipes, Chile R. H. SILLITOEAND F. J. SAWKINS Abstract In northandcentralChile...andtourmalinization.The fillingstage resultedin tourmaline,accompanied by specularite,and followedprincipallyby...theearliestTertiarymagmatic cycle in Chile. This studyincludes groupsof tourmaline breccia pipesin the Lluta,...belt extendingfor approximately 2,000 km through Chacritas,Lana, Llamuco, Disputada,Rosario de north and...or detail in view of their wide distribution in Chile and workedon a relativelysmall scalefor copper,gold |  | | Journal (article/letter/editorial) | | sulfidelead-zincde- recorded. The San Antonio de La Huerta pipe in posits, unconformity-typeuranium deposits...SanAntoniode tion for mineralizedbrecciapipes.Knownexamples La Huerta pipe (R. H. Sillitoe,unpub.rept., 1975), range...volcanics Mexico Washington dist., Sonora, Mexico La Colorada, Zacatecas, Andesitic,latitic q- trachytic...Angularto sub- Absent rounded Cachiyuyo, Chile Cabeza de Vaca, Chile Granodiorite, an- 62 >100/5 up to...Angularto locally Absent rounded El Bolsico, Chile San Francisco de Los Andes, Argentina Quartz |  | | Report (issue) | | . . . . . . . Sedimentary succession of La. F lecha Formation . . . JU . . . . . . .... Sedimentary succession of the Zonda Formation La F lecha Formation . . . . . . . . . . ...stratigraphy of the La Laja Formation Lithofacies . . . Sedimentary succession of the La Laja Formation...Carbonate platform rocks of the Argentine Precordillera La Laja Formation and equivalents . . . . . . ...sequence stratigraphy of the Zonda and La F lecha Formations La Silla Formation Lithofacies . . . |  | | Book | | Associated with Volcanogenic Massive Sulfides, Fukazawa Mine, Hokuroku District, Japan St.1. KALOGEROPOULOS and...evidence they find in the barite zone at the Fukazawa mine as indicating the mixing of a circulating barium-rich...Hornfels D Ma jor Cu-Ni 47" o I 50KM , Fig. lA, B. Index (A) and generalized geologic map (B) of...contamination. Earth Planet Sci Lett 61 :97 -111 Kovach LA, Marsh BD (1981) Magma flow rate and partial fusion...1982), in the southern part of the Southern Cross Province (Porter and McKay 1981), and in the Circum-Superior |
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